Marketplace Operations Specialist at Independent Retail Media Agency

Company: Grey Matter Recruitment
Apply for the Marketplace Operations Specialist at Independent Retail Media Agency
Location: London
Job Description:

Opportunity to join a London based, high-growth digital commerce and performance marketing environment, supporting global brands across major online marketplaces. This role is ideal for someone hands-on, detail-driven, and confident working with data, systems, and day-to-day account operations.

The Company

  • A leading independent performance marketing agency with a strong US foundation and growing UK/EMEA footprint
  • Full funnel performance-driven, product-led media agency focused on measurable business outcomes and sustainable client growth.
  • Proprietary technology for incrementality, MMM, and outcome-based measurement
  • Strong reputation integrating strategy, analytics, and technology into clear, executive-ready decision frameworks.
  • Global client base of category-leading commerce brands spanning multi-million-dollar, multi-market relationships

Role

  • Own day-to-day marketplace operations including catalogue updates, listings, and SEO optimisation
  • Monitor account health and troubleshoot issues to ensure smooth platform performance
  • Analyse performance data to identify trends, gaps, and optimisation opportunities
  • Build and maintain KPI reporting using Excel / Google Sheets
  • Support client deliverables and collaborate with internal teams to ensure timely execution and high-quality output

Required Skills & Experience

  • Experience in e-commerce, marketplace, or digital operations roles
  • Amazon Seller Central experience is essential
  • Strong Excel / Google Sheets skills with confidence handling data sets
  • Analytical mindset with ability to interpret data and spot trends
  • Highly organised, detail-oriented, and able to manage multiple priorities in a fast-paced environment

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Posted: May 27th, 2026